Home / 67,344.36-92,928.86-39,047

Finding the Fourth Proportional to 67,344.36, 92,928.86 and 39,047

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Solution

The fourth proportional to 67,344.36, 92,928.86 and 39,047 is: 53,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,344.36 : 92,928.86 = 39,047 : x
  2. Step 2: Convert to fraction form
    67,344.36/92,928.86 = 39,047/x
  3. Step 3: Cross multiply
    67,344.36x = 92,928.86 × 39,047
  4. Step 4: Simplify right side
    67,344.36x = 3,628,593,196.42
  5. Step 5: Solve for x
    x = 3,628,593,196.42/67,344.36
  6. Step 6: Final answer
    x = 53,881.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.